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DBX | 520 - De-Esser

  • 2 430 kr

Control vocals, drums, percussive instruments and problematic material/reverb combinations with the dbx 520!

Artikelnummer: C760-00014

DBX | 520

The dbx 520 will help you expertly tame the excessive sibilance often found in vocals and other high frequency dense material. Based upon the legendary dbx 902, the dbx 520’s unique features make it possible to achieve an exact amount of de-essing regardless of variations in signal levels. The 520 allows you to create brilliant, crisp vocals without sibilance!

With its modular 500 Series based design, the dbx 520 examines the differences in dB between the high frequency and full-bandwidth portions of a signal, allowing de-essing of signals which change in level by as much as 60dB. It features a Frequency Control with range from 800Hz to 8kHz, Gain Reduction Metering and a De-essing Amount Range from 0dB to 20dB.

Control vocals, drums, percussive instruments and problematic material/reverb combinations with the dbx 520!

Recommended for: Portable, Tour, Studio.


  • Based on the classic dbx 902
  • Frequency Control Range from 800Hz to 8kHz
  • Expanded Scale LED Gain Reduction Metering
  • De-essing Amount Range from 0dB to 20dB
  • In/Out Switch
  • HF Mode Switch


520 Safety & Compliance Document-EnglishEnglish323 KBOct 18, 2021
520 Owner's Manual-EnglishEnglish371 KBOct 18, 2021
Quick Start Guides
500 Series Quick Start Guide 253 KBApr 25, 2016

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Input Type:Electronically balanced/unbalanced, RF filtered
Input Impedance:20 k Ω balanced, 10 k Ω unbalanced
Max Input Level:+22 dBu
CMRR:>40 dB; typically >55 dB at 1 kHz
Output Type:Electronically balanced/unbalanced, RF filtered
Output Impedance:Balanced 30Ω , unbalanced 15Ω
Max Output Level:+22 dBu
Frequency Response:20Hz – 20kHz, + 0/-0.5dB; 14 Hz – 120 kHz, +0/-3 dB
Noise:<-99 dBu, Unweighted (22 Hz – 22 kHz)
THD+Noise:<0.006% typical, No compression, 1 input kHz at 0 dBu
Dynamic Range:>114 dB
Crossover Point:Variable 800 Hz to 8 kHz
Crossover Filter Type:12 dB/octave, phase coherent
De-essing Range:Operates uniformly over input range of -40 dBu to +22 dBu without requiring adjustment
Maximum Attenuation:Variable 0 to 20 dB
Attack Rate:Program-dependent, 2 ms for 10 dB above threshold, 600 μs for 20 dB above threshold, to achieve 63% gain reduction
Release Rate:925 dB/sec
Controls:Frequency, Range
Switches:IN/OUT, Mode (HF ONLY/NORMAL)
Indicators:IN/OUT, HF ONLY
Metering:LED Column: 1, 2, 3, 4, 6, 8, 10, 12, 15, 20 dB gain reduction
Power Requirements:+/- 16V DC
Power Current Draw:76 mA per power rail
Power Draw:2.4 watts
Rack System Compatibility:500 Series Compatible Power-frame
Rack Space:1 Slot
Dimensions: (H x W x D)5.25” x 1.5” x 6” (13.34 cm x 3.81 cm x 15.24 cm)
Weight:1.3 lbs (0.59 kg)
Shipping Weight:1.7 lbs (0.77 kg)